High speed machining and conventional die and mould machining

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There are a lot of questions about HSM today and many different, more or less complicated, definitions can be seen frequently. Here the matter will be discussed in an easy fashion and from a practical point of view. This article is the first in a series of articles about die and moldmaking from Sandvik Coromant. In a following article HSM will be further discussed.

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Nội dung Text: High speed machining and conventional die and mould machining

High speed machining
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and conventional
die and mould machining




Reprint from Metalworking World
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- High Speed Machining
Historical background
The term High Speed Machining (HSM)
There are a lot of questions about HSM today and many different,
commonly refers to end milling at high
more or less complicated, definitions can be seen frequently. Here rotational speeds and high surface feeds.
the matter will be discussed in an easy fashion and from a practical For instance, the routing of pockets in
point of view. aluminum airframe sections with a very
high material removal rate. Over the past
This article is the first in a series of articles about die and
60 years, HSM has been applied to a wide
moldmaking from Sandvik Coromant. In a following article HSM
range of metallic and non-metallic work-
will be further discussed. piece materials, including the produc-
tion of components with specific surface
topography requirements and machining
of materials with a hardness of 50 HRC
and above. With most steel components
hardened to approximately 32-42 HRC,
machining options currently include:

• rough machining and semi-finishing
of the material in its soft (annealed)
condition
• heat treatment to achieve the final re-
quired hardness (
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